/*
 * This program is free software: you can redistribute it and/or modify it under
 * the terms of the GNU General Public License as published by the Free Software
 * Foundation, either version 3 of the License, or (at your option) any later
 * version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <http://www.gnu.org/licenses/>.
 */
package net.sf.l2j.gameserver.network.serverpackets;

import java.util.logging.Logger;

import net.sf.l2j.Config;
import net.sf.l2j.gameserver.cache.HtmCache;
import net.sf.l2j.gameserver.model.actor.instance.L2PcInstance;
import net.sf.l2j.gameserver.network.clientpackets.RequestBypassToServer;

/**
 * the HTML parser in the client knowns these standard and non-standard tags and
 * attributes VOLUMN UNKNOWN UL U TT TR TITLE TEXTCODE TEXTAREA TD TABLE SUP SUB
 * STRIKE SPIN SELECT RIGHT PRE P OPTION OL MULTIEDIT LI LEFT INPUT IMG I HTML
 * H7 H6 H5 H4 H3 H2 H1 FONT EXTEND EDIT COMMENT COMBOBOX CENTER BUTTON BR BODY
 * BAR ADDRESS A SEL LIST VAR FORE READONL ROWS VALIGN FIXWIDTH BORDERCOLORLI
 * BORDERCOLORDA BORDERCOLOR BORDER BGCOLOR BACKGROUND ALIGN VALU READONLY
 * MULTIPLE SELECTED TYP TYPE MAXLENGTH CHECKED SRC Y X QUERYDELAY NOSCROLLBAR
 * IMGSRC B FG SIZE FACE COLOR DEFFON DEFFIXEDFONT WIDTH VALUE TOOLTIP NAME MIN
 * MAX HEIGHT DISABLED ALIGN MSG LINK HREF ACTION
 * 
 * @version $Revision: 1.3.2.1.2.3 $ $Date: 2005/03/27 15:29:57 $
 */
public class NpcHtmlMessage extends L2GameServerPacket {
	// d S
	// d is usually 0, S is the html text starting with <html> and ending with
	// </html>
	//
	private static final String _S__1B_NPCHTMLMESSAGE = "[S] 0f NpcHtmlMessage";
	private static Logger _log = Logger.getLogger(RequestBypassToServer.class
			.getName());
	private int _npcObjId;
	private String _html;
	private int _itemId = 0;
	private boolean _validate = true;

	/**
	 * @param npcObjId
	 * @param text
	 * @param itemId
	 */
	public NpcHtmlMessage(int npcObjId, int itemId) {
		_npcObjId = npcObjId;
		_itemId = itemId;
	}

	/**
	 * @param _characters
	 */
	public NpcHtmlMessage(int npcObjId, String text) {
		_npcObjId = npcObjId;
		setHtml(text);
	}

	public NpcHtmlMessage(int npcObjId) {
		_npcObjId = npcObjId;
	}

	@Override
	public void runImpl() {
		if (Config.BYPASS_VALIDATION && _validate) {
			buildBypassCache(getClient().getActiveChar());
			buildLinksCache(getClient().getActiveChar());
		}
	}

	public void setHtml(String text) {
		if (text.length() > 8192) {
			_log.warning("Html is too long! this will crash the client!");
			_html = "<html><body>Html was too long</body></html>";
			return;
		}
		_html = text; // html code must not exceed 8192 bytes
	}

	public boolean setFile(String path) {
		String content = HtmCache.getInstance().getHtm(path);
		if (content == null) {
			setHtml("<html><body>My Text is missing:<br>" + path
					+ "</body></html>");
			_log.warning("missing html page " + path);
			return false;
		}
		setHtml(content);
		return true;
	}

	public void replace(String pattern, String value) {
		_html = _html.replaceAll(pattern, value);
	}

	public void replace(String pattern, long value) {
		replace(pattern, String.valueOf(value));
	}

	private final void buildBypassCache(L2PcInstance activeChar) {
		if (activeChar == null)
			return;
		activeChar.clearBypass();
		int len = _html.length();
		for (int i = 0; i < len; i++) {
			int start = _html.indexOf("bypass -h", i);
			int finish = _html.indexOf("\"", start);
			if (start < 0 || finish < 0)
				break;
			start += 10;
			i = start;
			int finish2 = _html.indexOf("$", start);
			if (finish2 < finish && finish2 > 0)
				activeChar.addBypass2(_html.substring(start, finish2).trim());
			else
				activeChar.addBypass(_html.substring(start, finish).trim());
			// System.err.println("["+_html.substring(start, finish)+"]");
		}
	}

	private final void buildLinksCache(L2PcInstance activeChar) {
		if (activeChar == null)
			return;
		activeChar.clearLinks();
		int len = _html.length();
		for (int i = 0; i < len; i++) {
			int start = _html.indexOf("link", i);
			int finish = _html.indexOf("\"", start);
			if (start < 0 || finish < 0)
				break;
			i = start;
			activeChar.addLink(_html.substring(start + 5, finish).trim());
		}
	}

	@Override
	protected final void writeImpl() {
		writeC(0x0f);
		writeD(_npcObjId);
		writeS(_html);
		// writeD(0x00);
		writeD(_itemId);
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see
	 * net.sf.l2j.gameserver.network.serverpackets.ServerBasePacket#getType()
	 */
	@Override
	public String getType() {
		return _S__1B_NPCHTMLMESSAGE;
	}
}